OOP2 Lab 5 updated

Author: Rustam-Z

OOP2_Lab5/Lab5._operator_overloading_binary.docx

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+# Practical Lab Assignment - Binary Operator Overloading
+
+### Program 1
+```
+Create a class Rectangle.
+Private members of class Rectangle: Length, breadth.
+Create Member function: 
+    Public:
+        double getArea()
+        void setLength(double)
+        void setBreadth(double)
+```
+Declare overloading function use **(+)** operator to add two Rectangle objects.
+In the `main()` function set rectangle length, breadth with member functions and use area function to print area of each rectangle. 
+Then declare a third object use overloading function to get area of third object.
+
+### Program 2
+```
+Create a class Distance.
+Private members of class Distance: Kilometer, meter.
+Create default constructor and parameter constructor.
+Create Member function: 
+    void showDistance()
+```
+Declare overloading function use **(==)** operator to compare two distances. 
+In the `main()` function set Distance  kilometer, meter and use show distance to print of each distance.
+Then use overloading function to get difference of two distances.